package com.itheima.mapper;

import com.itheima.pojo.Member;

import java.util.List;

public interface MemberMapper {
    Member findByTelephone(String telephone);

    void add(Member member);

    Integer findMemberCountBeforeDate(String month);

    Integer findMemberCountAfterDate(String afterMonth);

    Integer findMemberCountByDate(String today);

    Integer findMemberTotalCount();

}
